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Question

Read the following scenario and answer the questions below.
Large stretches of mountains on the Pacific Coast of British Columbia are covered with ancient mist-enshrouded old-growth forest, growing in the valleys and on the slopes of coastal mountains. When the moisture-laden ocean air is pushed up a mountain, the air cools, and can no longer hold its moisture, which then precipitates as rains and mist, creating a rare biome, temperate rainforest. Most of Canada's old growth temperate rainforest was opened by the government to logging and has been already logged. The logging method of choice has been clear-cutting, in which all trees are removed from an area. The logging companies claim that the forest will regrow. Environmentalists point out that the new forest will not be the same as the one that had been cut: because the old-growth forest grew to its current state over many hundreds of years. Furthermore, the clear-cutting may do irreversible damage to the soil, so there won't be enough good soil left to nurture the majestic cedars, sky-high Douglas firs, hemlocks, and other trees of the old-growth temperate rainforest.
The soil in the clear-cut areas of the forest described in this scenario is prone to degradation because of ________.
A) strong winds, mainly
B) heavy rains, mainly
C) heavy rains and steep mountain slopes (of equal importance)
D) strong winds and heavy rains (of equal importance)
E) strong winds and steep mountain slopes (of equal importance)

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